63 lines
1.3 KiB
C++
63 lines
1.3 KiB
C++
#include "sound.h"
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#include <iostream>
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#include <SDL_events.h>
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#include "resources.h"
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Sound *sound;
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Sound::Sound()
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{
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int audio_rate = 22050;
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Uint16 audio_format = AUDIO_S16; /* 16-bit stereo */
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int audio_channels = 2;
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int audio_buffers = 1024;
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disabled = Mix_OpenAudio(audio_rate, audio_format, audio_channels,
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audio_buffers);
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if (disabled)
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std::cout << "Audio is disabled" << std::endl;
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}
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Sound::~Sound()
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{
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if (! disabled)
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Mix_CloseAudio();
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for (ChunkMap::iterator i = chunkCache.begin(); i != chunkCache.end(); i++)
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Mix_FreeChunk((*i).second);
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Mix_CloseAudio();
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}
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void Sound::play(const std::wstring &name)
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{
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if (disabled || (! enableFx))
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return;
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Mix_Chunk *chunk = NULL;
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ChunkMap::iterator i = chunkCache.find(name);
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if (i != chunkCache.end())
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chunk = (*i).second;
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else {
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ResDataHolder data(name);
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chunk = Mix_LoadWAV_RW(SDL_RWFromMem(data.getData(), data.getSize()),
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0);
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chunkCache[name] = chunk;
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}
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if (chunk) {
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Mix_VolumeChunk(chunk, (int)(volume * 128.0f));
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Mix_PlayChannel(-1, chunk, 0);
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}
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SDL_PumpEvents();
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}
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void Sound::setVolume(float v)
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{
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volume = v;
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enableFx = 0.01 < volume;
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}
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